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Freshwater ascomycetes: Aquapoterium pinicola, a new genus and species of Helotiales (Leotiomycetes) from Florida

     Department of Plant Biology, University of Illinois, Room 265 Morrill Hall, 505 South Goodwin Avenue, Urbana, Illinois 61801

A.N. Miller

     Section for Biodiversity, Illinois Natural History Survey, Champaign, Illinois 61820

C.A. Shearer

     Department of Plant Biology, University of Illinois, Room 265 Morrill Hall, 505 South Goodwin Avenue, Urbana, Illinois 61801

As part of a survey of freshwater ascomycetes in Florida an unusual discomycete fungus belonging in the Helotiales was found on submerged Pinus needles. This fungus is described and illustrated as a new genus and species, Aquapoterium pinicola, based on morphological data. Aquapoterium pinicola is characterized by minute, hyaline apothecia with an excipulum one cell layer thick of parallel hyphae composed of chains of cells narrow at the basal end and enlarged at the apical end and aseptate ascospores that are surrounded by a gelatinous sheath. Analyses of the nuclear ribosomal large subunit DNA sequence data confirmed its placement within the Helotiales but failed to resolve its familial placement.

Key words: aquatic fungi, LSU, phylogenetics, systematics

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				H. A. Raja and C. A. Shearer Freshwater ascomycetes: new and noteworthy species from aquatic habitats in Florida Mycologia, May 1, 2008; 100(3): 467 - 489. [Abstract] [Full Text] [PDF]